diff options
Diffstat (limited to 'Documentation/gpu')
| -rw-r--r-- | Documentation/gpu/drm-internals.rst | 32 | ||||
| -rw-r--r-- | Documentation/gpu/i915.rst | 12 | ||||
| -rw-r--r-- | Documentation/gpu/todo.rst | 11 | ||||
| -rw-r--r-- | Documentation/gpu/vkms.rst | 6 |
4 files changed, 55 insertions, 6 deletions
diff --git a/Documentation/gpu/drm-internals.rst b/Documentation/gpu/drm-internals.rst index 38afed24a75c..5fd20a306718 100644 --- a/Documentation/gpu/drm-internals.rst +++ b/Documentation/gpu/drm-internals.rst @@ -207,6 +207,38 @@ Utilities :internal: +Unit testing +============ + +KUnit +----- + +KUnit (Kernel unit testing framework) provides a common framework for unit tests +within the Linux kernel. + +This section covers the specifics for the DRM subsystem. For general information +about KUnit, please refer to Documentation/dev-tools/kunit/start.rst. + +How to run the tests? +~~~~~~~~~~~~~~~~~~~~~ + +In order to facilitate running the test suite, a configuration file is present +in ``drivers/gpu/drm/tests/.kunitconfig``. It can be used by ``kunit.py`` as +follows: + +.. code-block:: bash + + $ ./tools/testing/kunit/kunit.py run --kunitconfig=drivers/gpu/drm/tests \ + --kconfig_add CONFIG_VIRTIO_UML=y \ + --kconfig_add CONFIG_UML_PCI_OVER_VIRTIO=y + +.. note:: + The configuration included in ``.kunitconfig`` should be as generic as + possible. + ``CONFIG_VIRTIO_UML`` and ``CONFIG_UML_PCI_OVER_VIRTIO`` are not + included in it because they are only required for User Mode Linux. + + Legacy Support Code =================== diff --git a/Documentation/gpu/i915.rst b/Documentation/gpu/i915.rst index 54060cd6c419..4e59db1cfb00 100644 --- a/Documentation/gpu/i915.rst +++ b/Documentation/gpu/i915.rst @@ -246,6 +246,18 @@ Display State Buffer .. kernel-doc:: drivers/gpu/drm/i915/display/intel_dsb.c :internal: +GT Programming +============== + +Multicast/Replicated (MCR) Registers +------------------------------------ + +.. kernel-doc:: drivers/gpu/drm/i915/gt/intel_gt_mcr.c + :doc: GT Multicast/Replicated (MCR) Register Support + +.. kernel-doc:: drivers/gpu/drm/i915/gt/intel_gt_mcr.c + :internal: + Memory Management and Command Submission ======================================== diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index 10bfb50908d1..513b20ccef1e 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -617,6 +617,17 @@ Contact: Javier Martinez Canillas <javierm@redhat.com> Level: Intermediate +Convert Kernel Selftests (kselftest) to KUnit tests when appropriate +-------------------------------------------------------------------- + +Many of the `Kselftest <https://www.kernel.org/doc/html/latest/dev-tools/kselftest.html>`_ +tests in DRM could be converted to Kunit tests instead, since that framework +is more suitable for unit testing. + +Contact: Javier Martinez Canillas <javierm@redhat.com> + +Level: Starter + Enable trinity for DRM ---------------------- diff --git a/Documentation/gpu/vkms.rst b/Documentation/gpu/vkms.rst index 9c873c3912cc..973e2d43108b 100644 --- a/Documentation/gpu/vkms.rst +++ b/Documentation/gpu/vkms.rst @@ -102,12 +102,6 @@ Debugging: - kms_plane: some test cases are failing due to timeout on capturing CRC; -- kms_flip: when running test cases in sequence, some successful individual - test cases are failing randomly; when individually, some successful test - cases display in the log the following error:: - - [drm:vkms_prepare_fb [vkms]] ERROR vmap failed: -4 - Virtual hardware (vblank-less) mode: - VKMS already has support for vblanks simulated via hrtimers, which can be |